LONDON (Reuters) - Allyson Felix of the United States won the women's 200 meters gold medal at the third time of asking on Wednesday.

Felix, who had finished runner-up to Veronica Campbell-Brown at the previous two Olympics, came off the bend level with the Jamaican and 100 meters champion Shelly-Ann Fraser-Pryce but lengthened her stride to ease to victory in 21.88 seconds

Fraser-Pryce of Jamaica took the silver in 22.09.

American Carmelita Jeter won the bronze in 22.14 as Campbell-Brown faded down the home straight to finish fourth.

(Reporting by Alison Wildey, editing by Ed Osmond)